package org.bouncycastle.crypto.params;

import org.bouncycastle.crypto.CipherParameters;

/**
 * parameters for using an integrated cipher in stream mode.
 */
public class IESParameters implements CipherParameters {
    private byte[] derivation;
    private byte[] encoding;
    private int macKeySize;

    /**
     * @param derivation
     *            the derivation parameter for the KDF function.
     * @param encoding
     *            the encoding parameter for the KDF function.
     * @param macKeySize
     *            the size of the MAC key (in bits).
     */
    public IESParameters(byte[] derivation, byte[] encoding, int macKeySize) {
        this.derivation = derivation;
        this.encoding = encoding;
        this.macKeySize = macKeySize;
    }

    public byte[] getDerivationV() {
        return derivation;
    }

    public byte[] getEncodingV() {
        return encoding;
    }

    public int getMacKeySize() {
        return macKeySize;
    }
}
